Home / 203,005,438.29-280,140,003.33-110,183,953.23

Finding the Fourth Proportional to 203,005,438.29, 280,140,003.33 and 110,183,953.23

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Solution

The fourth proportional to 203,005,438.29, 280,140,003.33 and 110,183,953.23 is: 152,049,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,438.29 : 280,140,003.33 = 110,183,953.23 : x
  2. Step 2: Convert to fraction form
    203,005,438.29/280,140,003.33 = 110,183,953.23/x
  3. Step 3: Cross multiply
    203,005,438.29x = 280,140,003.33 × 110,183,953.23
  4. Step 4: Simplify right side
    203,005,438.29x = 30,866,933,024,764,764
  5. Step 5: Solve for x
    x = 30,866,933,024,764,764/203,005,438.29
  6. Step 6: Final answer
    x = 152,049,783.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.